James bardest



(No Model.)

J. BARBIN,

GATE.

Patented Oct 20, 1885l UNITED STATES PATENT OEEICE.l

JAMES BARDIN, JR., OF SALINAS, CALIFORNIA.

GATE.

.EPECIFICATON forming part of Letters Patent yNo. 328,560l dated October 20, 1885.`

Application tiled June 15, 1885.

l of its several movements to make a complete revolution, opening and closing the road at alternate quarter-circle movements, a loose sheave on t-he pivotal axis of the gate and connected therewith by a pawl and ratchet, weights suspended by cords from the sheave and adapted to operate the gate, crank-levers in the road-bed connected by cords with the sheave, whereby said sheave is rotated to wind upthe weights, and sliding latches limiting` the gate and connected by pivoted levers and cords with the crank-levers and sheave,where by they are withdrawn by the action of the vehiole-wheels on the crank-levers,all ofwhich I shall hereinafter fully describe by reference to the accompanying drawings, in which- Figure l is a perspective view of my gate. Fig. 2 is a section of the sheave D.

rlhe object of my invention is to provide a simple and effective self-opening gate, the automatic operation of which will avoid the necessity of the traveler7 s alighting from his conveyance either to open or close the gate.

A is the road-bed.

B B B B are four posts, two of which, BB, are placed in the road, and the two B B are placed on the sides. b are the top beams or frame joining the posts.

C is the gate having a central post, c, the bottom of which is pivoted in a suitable socket in the road-bed, and the top has a spindle, c', pivoted in the top frame, b.

Upon the spindle c is loosely mounted a double sheave, D, having a pawl, d, on its top, which engages a ratchet-wheel, c2, Vfast on the spindle. This engagement is such as to permit the sheave to rotate in one direction freely without affecting the gate; but when it rotates in the opposite direction it carries the gate with it.

Serial No. 168,781. (No model.)

E are weights having cords e passing over guide-pulleys e and attached to the sheaveD. The attachment is so made that when the sheave rotates freely the weights arewound up, so that they are enabled, when the gate is relieved from its latches, to retract the sheave,v whose pawlengagingthe ratchetwheelon the gate-spindle c', effects the rota,- tion of the gate. y p

In the road-bed are the pivoted crankflevers F, to which cords fare attached. The cord from one crank passes'up over suitable guidepulleys, j", in posts ff", and is attached to the sheave D, while the cord from the other crank is connected with the first-named cord, in the.

manner shown. When a crank-lever is forced ydown by the wheel of a vehicle, it rotates the .sheave D to wind up the weights, whose action in retracting the sheave I have just explained.

In the posts B B are mounted the Vsliding latches G. with which the ends of the gate come in contact to limit'` its movement. These latches-are pivoted to the levers g, which are themselves pivoted below to the bearings g on the posts B B. The upper ends of the levers are connected with the cords f,extending from the crank-leversto the sheave D, so that when said levers are run down to rotate the sheave and wind up the weights, as described,

thrust in, and their tops are connected by A cords h3 with the sheave D.

The operation of the gate is as follows: It is closed when it extends between the side posts, B B', and is open when it extends between the posts B B. Suppose 'the gate to be closed and held by the latches H, the approaching vehicle comes up on the left side of the road, and its wheel is made to run down the left-hand crank-lever F. This, through the cord f, rotates the sheave D, whose pawl slips the ratchet of the gate'spindle, and thereby winds up the weights E. The rotation of the sheave D, also through the cords ha, pulls in the latch-levers h, which withdraw their latches H, leaving the gate free. As soon as IOO the wheel releases the crank lever F the weights retract the sheave D, whose pawl engaging the ratchet-wheel on the gate-spindle c', causes the gate to rotate in a direction away from the vehicle throughan arc of ninety degrees until its ends are engaged by the latches G on the posts B B. The vehicle, passing through the gate, runs down the left-hand crank-lever F beyond, which operates to rotate the sheave D and wind up the weights as before, and at the same time causes the levers g to withdraw their latches G. As soon as the lever F is relieved the Weights retract the sheave D, thereby rotating the gate in the same direction as before, until it is stopped by the latches H and held in a closed position. On returning, the vehicle passes on the righthand side of the road and runs down the crank-levers on that side.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A centrally-pivoted gate adapted to rotate in a horizontal plane to open and close the road, in combination with a sheave loosely mounted on the pivotal axis of the gate, a pawl-and -ratchet mechanism connecting them, whereby the sheave in rotating` in one direction does not affect the gate, but in retracting carries the gate with it-,weights suspended by cords attached to the sheave and adapted to be wound up bythe rotation of the sheave and to retract it to operate the gate, and crank levers in the road-bed connected by cords with the sheave and operated by the vehicle-Wheel to rotate said sheave and wind up the weights,

substantially as herein described.

2. A centrally-pivoted gate adapted to rotate in a horizontal plane, through an arc of ninety degrees to open and close the road, in combination with asheave loosely mounted on the pivot-al axis ofthe gate, a pawland-ratchet mechanism connecting them, whereby the sheave in rotating in one direction does not affect the gate, but in retracting carries the gate with it, weights suspended by cords attached to the sheave and adapted to be wound up by the rotation of the sheave and to retract it to operate the gate,cranklevers in the roadbed connected by cords with the sheave and operated by the vehicle-wheel to rotate said sheave and Wind up the weights,and limitinglatches at the extremities of the movement of the gate connected by levers and cords with the crank-levers and the sheave,whereby the gate is relieved and caught, substantially as herein described.

3. The centrally-pivoted gate C, having a spindle, c,with ratchet-wheel c2, in combination with the sheave D, loosely mounted on the spindle and having a pawl, d, engaging the ratchet-wheel, the weights E, having cords e attached to the sheave, and the erank-levers F in the road-bed, having cords f attached to the sheave. all arranged and adapted to operate substantially as herein described.

4. The centrally-pivoted gate C, having a. spindle,c,\vith ratchet-wheel c2, and the posts B B B B', as described, in combination with the sheave D, loosely mounted on the spindle and having pawl d engaging the ratchet-wheel, the weights E, having cords e attached to the sheave, crank-levers F in the road-bed, han`- ing cords f attached to the sheave, the sliding limiting-latches G in posts B B, having pivoted levers g attached to cords f, and the sliding limiting-latches H in posts B B', having pivoted spring-levers h attached by cords h to the sheave, all arranged and adapted to operate substantially as herein described.

In witness whereof I have hereunto set my hand.

JAMES BARBIN, JR. Witnesses:

G. D. COLE, J. H. BLOOD. 

